/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import MyBean.Connessione;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author dav
 */
public class ControllerInserisci extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException, SQLException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String titolo = request.getParameter("titolo");
        String autore = request.getParameter("autore");
        String editore = request.getParameter("editore");
        String anno = request.getParameter("anno");
        int annno=Integer.valueOf(anno).intValue();
        Connessione con = new Connessione();
        java.sql.Statement st = con.getConn();

        try {
            int i = st.executeUpdate("INSERT INTO libro VALUES ('"+titolo+"','"+autore+"','"+editore+"',"+annno+")");
            if(i==0){
                request.setAttribute("noninserito","1");
            }else{
                request.setAttribute("titins",titolo);
                request.setAttribute("autins",autore);
                request.setAttribute("ediins",editore);
                request.setAttribute("annins",anno);
                RequestDispatcher rd = request.getRequestDispatcher(response.encodeURL("/inserisci.jsp")); 
                rd.forward(request, response); 

            }
        } catch(SQLException e){
                request.setAttribute("noninserito","1"); 
                RequestDispatcher rd = request.getRequestDispatcher(response.encodeURL("/inserisci.jsp")); 
                rd.forward(request, response); 
        }
            finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (SQLException ex) {
            Logger.getLogger(ControllerInserisci.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (SQLException ex) {
            Logger.getLogger(ControllerInserisci.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
